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  1. Railteco
8 October 2018

WYJ2 Bearing Press-Fitting Machine

WY J2 Bearing Press-Fitting Machine is mainly used for non-axle box rolling bearing press fitting of railway EMU, passenger cars, light rails and metros.

It is controlled by a computer that can automatically generate press-fitting curve and can determine whether the result is qualified or not, the press-fitting process data can also be recorded automatically.

The main oil cylinder adopts double-cylinder compound cylinder structure. The internal cylinder is used for accurately positioning the bearing during press-fitting, and the external cylinder is for bearing press-fitting.

The entire press-fitting process is completed on the equipment axis. The press-fit cylinders are press-fit separately at both ends, synchronized and adjustable in speed.

Both ends can work independently, automatically or manually step-by-step. Provide Cloud-based remote data collection solutions to better serve users.


Main technical parameters include:

  • Applicable gauge: 1,435mm
  • Applicable axle length: 2,100mm-2,500mm
  • Applicable wheel diameter: φ720mm-φ920mm
  • Applicable bearing inner diameter: φ110mm-φ160mm
  • Applicable work-piece weight: 2,500kg
  • Maximum press force: 600kN
  • Press-fitting beat: ≤5min/pair
  • Equipment total power: 17.2kW
  • Net weight: 6,500kg
  • Overall dimension: 4,600mm×1,200mm×2,050mm

Jiangsu Railteco Equipment Company is a professional manufacturer focusing on rail transportation equipment products.
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